April 30, 2017

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engine testing procedures and fixes

Engine cranks but will not start
Engine No Start Conditions

Engine cranks but will not start

January 1, 2017

Engine cranks but will not start-What can you check to find the problem? What does it mean when your Engine is dying without any warning and will not restart. Hence it may be the classic […]

obd 2 reader
Engine Testing Procedures and Fixes

How to find mechanical engine misfires

November 13, 2016

Mechanical engine misfires can contribute to low compression (bad cylinder, piston rings, sticky or leaky valves or even valves out of adjustment) will affect the amount of air coming into the cylinder which will cause […]

Engine Cooling Fan
Engine Overheating Topics

How to testing your engine cooling fan

January 8, 2017

Testing your engine cooling fan can solve your heating issues. Is your Engine Overheating Is your Engine Cooling Fan Working If not , Let’s do some testing and fix it yourself. Let’s start with the easy stuff […]

Vacuum Guage
Engine Testing Procedures and Fixes

Checking your engine with a vacuum guage

April 18, 2017

Checking your engine with a vacuum guage can tell you a lot about an engine’s condition. This is similar to doing a cylinder leak down test – but in a much easier way. In just […]

Cylinder Leak Down Test
Engine Testing Procedures and Fixes

How to do a cylinder leak down test

November 7, 2016

Cylinder leak down testing can tell you more than you think. This is how to do a cylinder leak down test. I believe this has become the most important test on today’s Engines. A Cylinder Leak down or cylinder leakage test […]

vacuum readings
Engine Testing Procedures and Fixes

How to do a vacuum test

November 23, 2016

A vacuum test can tell you more than you think. One of the easiest and cheapest ways to check an engine for serious issues is to use a vacuum gauge. A vacuum gauge can tell […]


rope seal

Rear Main Rope Seal Alternatives

December 13, 2015

Rear Main Rope Seal Alternatives make solve your engine leak and save time Danny’s Engine Portal supplies the following information on a rear main rope seal alternatives. It has taken many years to collect this information. […]


Rear Main Seal Leaks-or are they

November 26, 2016

It has been determined that 90% of all rear main seal oil leak complaints checked in the last five years are leaks in the pan gasket, rocker covers, side covers, etc., and are not leaking […]

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  • oxygen-sensor
    Replacement of good oxygen sensors is one of the common mistakes made by seasoned mechanics and DIY mechanics when tackling rich or lean diagnostic codes. Oxygen Sensor-Should you Replace It ? Before replacing any of [...]
  • crank-shaft-position-sensor
    Crankshaft-Camshaft Position Sensors produce a signal that tells the Fuel Injection Computer or the Ignition Control Module the exact position of the pistons as they come up or go down in the compression cycle. What [...]
  • crank-shaft-position-sensor
    There are a number of symptoms that can point to your Crankshaft Position Sensor failing but can also be confused with the same symptoms caused by issues with your ignition or fuel injection systems. If you [...]


analyzing poor performance issues

  • Valve Lash Setting
    Analyzing Poor Performance Issues
    The term “valve lash” is often used when discussing valve train adjustment. A valve lifter (sometimes referred to as a tappet or cam follower) follows the contour of the camshaft lobe and transfers that motion to open [...]
  • Tachometer
    Analyzing Poor Performance Issues
    Engine surging or misfiring up and down while you’re driving. Uneven engine revs and misfiring can affect drivability, but can also cause error codes to appear in your OBD-II Diagnostics system. These codes can cause [...]
  • Engine Spark Knock
    Analyzing Poor Performance Issues
    Engine spark knock what is it? Is it bad and what can you do about it? If your engine makes an annoying knocking, pinging or rattling sound when you accelerate or work your engine hard [...]
  • No Fuel
    Analyzing Poor Performance Issues
    Maintenance is critical in keeping your vehicle running its best and minimizing fuel consumption.  Knowing the common causes of poor fuel economy is just the tip of the iceberg. It may not seem like that [...]
  • Engine Noise Under Load
    Analyzing Poor Performance Issues
    Engine Noise Under Load- What can it be ! Don’t turn your back on car engine noise, and hope that it’ll just go away on its own. Chances are it won’t–and you’ll wind up with [...]